Leaking oil from oil filter?
just changed the oil 2 weeks ago and noticed it's leaking from the top of the oil filter cap? Looks like it's sweating. I tightened it when I changed the filter but not sure what's going on? Anyone have this issue?
Filter was Mercedes oem. here are some pics https://cimg4.ibsrv.net/gimg/www.mbw...eeb22123f4.jpg https://cimg5.ibsrv.net/gimg/www.mbw...4286b8e93c.jpg |
filter housing leak? Need assistance
Looks like it's the filter housing. I haven't even driven the car since I changed the oil. All I've done is start it up and let the oil cycle with a couple of revs here and there.
Could it be those 2 gaskets on the piece that's connected to the housing? Or could it be I didn't tighten the cap properly even though it was snug. Cap gasket? im desperate guys. |
Did you replace the o rings when you put the new filter in?
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Yep I used a bosch oil filter that came with all the gaskets and I replaced them when I installed it.
i don't think this is serious but it's annoying. is there a gasket in the housing cap where the filter goes? |
Sometimes they get old and brittle and if they get over torqued they will Crack around where they seal. Get a new cap assembly.
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Originally Posted by peppyhead
(Post 7053082)
just changed the oil 2 weeks ago and noticed it's leaking from the top of the oil filter cap? Looks like it's sweating. I tightened it when I changed the filter but not sure what's going on? Anyone have this issue?
Filter was Mercedes oem. here are some pics https://cimg4.ibsrv.net/gimg/www.mbw...eeb22123f4.jpg https://cimg5.ibsrv.net/gimg/www.mbw...4286b8e93c.jpg |
Are you sure its not coming from between the filter housing and the cooler?
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Pull it out and double check the o rings.
Never seen it leak from there. |
Only the top o-ring should matter at all for leaks, but that wont put oil on the top, and it wont leak there with no oil pressure.
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It's be top o ring gasket, as soon as there is pressure it spits that top gasket out and oil comes out the top.
mot the oil cooler thank god mayne it's not tight enough? 25 nm pressure which is about 15lbs |
Fixed it. Well if you can believe it wasn't tight enough.
i guess I'm not that strong. It sealed now. Man these cars are finicky! |
That's odd. If you have a proper o ring then it shouldn't leak even if it's just hand tight.
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It must have been very light hand tight. Glad to hear that it's fixed :)
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Originally Posted by peppyhead
(Post 7054184)
Fixed it. Well if you can believe it wasn't tight enough.
i guess I'm not that strong. It sealed now. Man these cars are finicky! |
I always tighten mine by hand its never leaked.
Have you double checked the top o ring anyway just to make sure? |
So what happened was when I changed it a couple of weeks back I changed all three gaskets that come with the filter but I didn't see a gasket that was left on there from before. Funny I actually removed 3 so the previous owner actually had 4 on there and this one was preventing the cap from seating properly on the filter housing, thus leaking and spitting oil out everytime there was oil pressure.
And you're right, hand tight is all you need. EVerything is all good. I am just glad it wasn't the oil cooler or somthing a bit more serious. |
Arrr, no, hand tight it NOT all you need, 25nm is what Mercedes Benz specify, and 25nm is what you need.
Just because it doesnt leak does not mean it is done up properly. Why even chance it? It always makes me laugh when people ignore torque specs like they know better, and they always wonder why when they have un-explained issues. If you blokes think youre smarter than the manufacturers, go right ahead ;) |
If its plastic, I tighten by hand :D
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Originally Posted by PJmak
(Post 7055399)
If its plastic, I tighten by hand :D
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there is spezial tool for oil filter cap, it's shud be torqed with the tool, not with the hand you're using to wank with :rolf:
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Originally Posted by GatorMB
(Post 7056092)
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My first thought was a crack or cross thread.
Never hurts to be over cautious with aging service parts. Cheers |
Originally Posted by GatorMB
(Post 7056556)
My first thought was a crack or cross thread.
Never hurts to be over cautious with aging service parts. Cheers |
Clk 55 leak
Originally Posted by peppyhead
(Post 7053082)
just changed the oil 2 weeks ago and noticed it's leaking from the top of the oil filter cap? Looks like it's sweating. I tightened it when I changed the filter but not sure what's going on? Anyone have this issue?
Filter was Mercedes oem. here are some pics https://cimg4.ibsrv.net/gimg/www.mbw...eeb22123f4.jpg https://cimg5.ibsrv.net/gimg/www.mbw...4286b8e93c.jpg |
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